Home / 18,878.46-26,173.37-17,828.70

Finding the Fourth Proportional to 18,878.46, 26,173.37 and 17,828.70

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Solution

The fourth proportional to 18,878.46, 26,173.37 and 17,828.70 is: 24,717.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    18,878.46 : 26,173.37 = 17,828.70 : x
  2. Step 2: Convert to fraction form
    18,878.46/26,173.37 = 17,828.70/x
  3. Step 3: Cross multiply
    18,878.46x = 26,173.37 × 17,828.70
  4. Step 4: Simplify right side
    18,878.46x = 466,637,072.58
  5. Step 5: Solve for x
    x = 466,637,072.58/18,878.46
  6. Step 6: Final answer
    x = 24,717.96

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.39) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.